8 655 307 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
35822878892039	14	45.0	old
12421504462226903	17	53.5	2014-09-25 11:38:02
19884277375526928673	20	64.1	2017-07-19 16:13:24

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-12-13	ATH	BD949510A471C11D	3	8028455	5	3
Verified	2020-08-16	daveward2005	BD949510A471C11D	3	3308353	5	3

History

Date	User	Type	Result
2020-08-16	daveward2005	C-PRP	M8655307/35822878892039/12421504462226903/19884277375526928673 : BD949510A471C11D PRP: Verified PRP without proof (not generated)
2018-12-13	ATH	C-PRP	M8655307/35822878892039/12421504462226903/19884277375526928673 : BD949510A471C11D PRP: Verified PRP without proof (not generated)
2017-07-19	TJAOI	F	Factor: 19884277375526928673 / TF: 64-65
2014-09-25	TJAOI	F	Factor: 12421504462226903 / TF: 53-54